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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
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 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 */

package gc.z;

/*
 * @test TestAllocateHeapAt
 * @requires vm.gc.ZGenerational & os.family == "linux"
 * @summary Test ZGC with -XX:AllocateHeapAt
 * @library /test/lib
 * @run main/othervm gc.z.TestAllocateHeapAt . true
 * @run main/othervm gc.z.TestAllocateHeapAt non-existing-directory false
 */

import jdk.test.lib.process.ProcessTools;

public class TestAllocateHeapAt {
    public static void main(String[] args) throws Exception {
        final String directory = args[0];
        final boolean exists = Boolean.parseBoolean(args[1]);
        final String heapBackingFile = "Heap Backing File: " + directory;
        final String failedToCreateFile = "Failed to create file " + directory;

        ProcessTools.executeLimitedTestJava(
            "-XX:+UseZGC",
            "-XX:+ZGenerational",
            "-Xlog:gc*",
            "-Xms32M",
            "-Xmx32M",
            "-XX:AllocateHeapAt=" + directory,
            "-version")
                .shouldContain(exists ? heapBackingFile : failedToCreateFile)
                .shouldNotContain(exists ? failedToCreateFile : heapBackingFile)
                .shouldHaveExitValue(exists ? 0 : 1);
    }
}
